[특허]Electronic security device

Electronic security device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G08B-013/08
출원번호	US-0595778 (1990-10-09)
발명자 / 주소	Eschbach Eugene A. (Richland WA) LeBlanc Edward J. (Kennewick WA) Griffin Jeffrey W. (Kennewick WA)
출원인 / 주소	Battelle Memorial Institute (Richland WA 02)
인용정보	피인용 횟수 : 80 인용 특허 : 0

초록 ▼

The present invention relates to a security device having a control box (12) containing an electronic system (50) and a communications loop (14) over which the system transmits a signal. The device is constructed so that the communications loop can extend from the control box across the boundary of a portal such as a door into a sealed enclosure into which access is restricted whereby the loop must be damaged or moved in order for an entry to be made into the enclosure. The device is adapted for detecting unauthorized entries into such enclosures such as rooms or containers and for recording the time at which such entries occur for later reference. Additionally, the device detects attempts to tamper or interfere with the operation of the device itself and records the time at which such events take place. In the preferred embodiment, the security device includes a microprocessor-based electronic system (50) and a detection module (72) capable of registering changes in the voltage and phase of the signal transmitted over the loop.

대표청구항 ▼

A portable electronic security device for detecting when a portal has been tampered with, comprising: an elongated communications lead (14) adapted for being attached to a side of a portal boundary, said lead having a first end and a second end between which a signal may be transmitted, wherein said lead is characterized by impedance distributed therealong; and a signal control module (12) adapted for being affixed to another side of said portal boundary to which at least one end of said lead may also be secured; wherein the device includes means (74, 152, 180) for generating a signal for said communications lead, and means (72, 150, 190) for monitoring one or more characteristics of said signal that are responsive to said impedance distributed along said lead for generating an alert signal indicative of alteration of one or more of said characteristics as a result of external tampering, including major disturbances such as shorting and open circuiting of said lead as well as small disturbances including moving and bending of said lead, that effectively change said distributed impedance of said lead; said means for monitoring being operable to generate said alert signal when said distributed impedance changes by an amount substantially smaller than would be produced by short circuiting or open circuiting said lead.

이 특허를 인용한 특허 (80)

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Auerbach,Micha; Cohen,Rony; Genin,Arcadi; Sender,Ran, Tamper-resistant electronic seal.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Electronic security device 원문보기

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Electronic security device 원문보기

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이 특허를 인용한 특허 (80)

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